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Finding the Fourth Proportional to 340,801.70, 470,304.25 and 185,752.82

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Solution

The fourth proportional to 340,801.70, 470,304.25 and 185,752.82 is: 256,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,801.70 : 470,304.25 = 185,752.82 : x
  2. Step 2: Convert to fraction form
    340,801.70/470,304.25 = 185,752.82/x
  3. Step 3: Cross multiply
    340,801.70x = 470,304.25 × 185,752.82
  4. Step 4: Simplify right side
    340,801.70x = 87,360,341,406.86
  5. Step 5: Solve for x
    x = 87,360,341,406.86/340,801.70
  6. Step 6: Final answer
    x = 256,337.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.